This is a discussion on Re: dig with and without +norec within the Bind Users forums, part of the DNS and Related Forums category; > > I am assuming you work for an ISP... I would bet that one > of your customers was ...
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> I am assuming you work for an ISP... I would bet that one > of your customers was attempting to do something nasty on > a US Air Force system and tripped one or more of the IDSs. > Therefore your entire block of IPs probably got blocked > at the AF perimeter. > yes, these things happen to isps on daily bases, and an isp has to deal with them, I was trying to say, that bind could log such problems, when servers are being retried again for hours, days, weeks, and instead of wasting the resources on them, it might optionally stop doing it. and my another point was why bind doesn't provide the data from the cache, when it has them as a glue from parent to the recursive clients, but only to non-recursive ones? and another point is why the information about ip address of the server the data came from has disappeared from the named_cache.db of bind9.2.3, as I see from the DNS &Bind Book, 4th-edition 9.1.0 still had it. Ladislav |